Instructables: exploring - technology - diode http://www.instructables.com Fri, 29 May 2015 10:06:30 PDT BLOX v1.01 Heat Sink For Diodes http://www.instructables.com/id/Heat-Sink-For-Diodes/
Heat Sink For Diodes - More DIY How To Projects]]> http://cdn.instructables.com/FJY/4VIM/IA58Q3LH/FJY4VIMIA58Q3LH.SQUARE2.jpg http://cdn.instructables.com/FJY/4VIM/IA58Q3LH/FJY4VIMIA58Q3LH.SQUARE.jpg http://cdn.instructables.com/FJY/4VIM/IA58Q3LH/FJY4VIMIA58Q3LH.SMALL.jpg Harris Naveed Where ever i want to reduce voltage i use rectifier diodes (1N4007), but the problems is that they get too much hot on passing too many ampere through them which may damage them. The only solution i found was to create heat sink to keep them cool. I used 2 series pair of 2 diodes, connected parallel...
By: Harris Naveed

Continue Reading »]]>
Wed, 27 May 2015 01:50:36 PDT
Controlling an RGB LED with the HC-06 Bluetooth Module using Android OS(Arduino) http://www.instructables.com/id/Controlling-an-RGB-LED-with-the-HC-06-Bluetooth-Mo/
Controlling an RGB LED with the HC-06 Bluetooth Module using Android OS(Arduino) - More DIY How To Projects]]> http://cdn.instructables.com/FIQ/ARJY/I9RLHNGP/FIQARJYI9RLHNGP.SQUARE2.jpg http://cdn.instructables.com/FIQ/ARJY/I9RLHNGP/FIQARJYI9RLHNGP.SQUARE.jpg http://cdn.instructables.com/FIQ/ARJY/I9RLHNGP/FIQARJYI9RLHNGP.SMALL.jpg Gallifray_Todd This tutorial will explain the process of connecting an HC-06 Bluetooth Module to an Arduino and controlling the color of an RGB LED using the ArduDroid app on the Android Operating System. This setup will most likely also work with the HC-05 Bluetooth Modules. Materials & Components 1. Arduino/...
By: Gallifray_Todd

Continue Reading »]]>
Sun, 17 May 2015 15:42:27 PDT
Arduino RGB LED http://www.instructables.com/id/Arduino-RGB-LED-2/
Arduino RGB LED - More DIY How To Projects]]> http://cdn.instructables.com/F7T/2SMN/I9Q9MUBT/F7T2SMNI9Q9MUBT.SQUARE2.jpg http://cdn.instructables.com/F7T/2SMN/I9Q9MUBT/F7T2SMNI9Q9MUBT.SQUARE.jpg http://cdn.instructables.com/F7T/2SMN/I9Q9MUBT/F7T2SMNI9Q9MUBT.SMALL.jpg samuel123abc While "normal leds" are fun, RGB ones are even funnier, imagine using that one led emitting purple color, orange color and many more, wouldn't that be cool? In this tutorial we are going to look into the process of connecting a RGB led. Even though it might seem hard, it is not, believe me. Let's be...
By: samuel123abc

Continue Reading »]]>
Sat, 16 May 2015 12:12:22 PDT
How to use a potentiometer as a voltage divider. http://www.instructables.com/id/How-to-use-a-potentiometer-as-a-voltage-divider/
How to use a potentiometer as a voltage divider. - More DIY How To Projects]]> http://cdn.instructables.com/FB7/KFHH/I9OSR9SJ/FB7KFHHI9OSR9SJ.SQUARE2.jpg http://cdn.instructables.com/FB7/KFHH/I9OSR9SJ/FB7KFHHI9OSR9SJ.SQUARE.jpg http://cdn.instructables.com/FB7/KFHH/I9OSR9SJ/FB7KFHHI9OSR9SJ.SMALL.jpg bweaver6 Hello and WelcomeThis Instructable is going to be short and sweet. I would like to share with you the power of potentiometers. A simple component that can be used as a voltage divider. You may be saying to yourself, "Duh, everyone knows that!" Well, unfortunately, this simple concept escaped many of...
By: bweaver6

Continue Reading »]]>
Thu, 14 May 2015 19:46:42 PDT
How to fabricate a lunch box into a dual 0-12VDC power supply. http://www.instructables.com/id/How-to-fabricate-a-lunch-box-into-a-dual-0-12VDC-p/
How to fabricate a lunch box into a dual 0-12VDC power supply. - More DIY How To Projects]]> http://cdn.instructables.com/FGJ/20FI/I9UDIVRX/FGJ20FII9UDIVRX.SQUARE2.jpg http://cdn.instructables.com/FGJ/20FI/I9UDIVRX/FGJ20FII9UDIVRX.SQUARE.jpg http://cdn.instructables.com/FGJ/20FI/I9UDIVRX/FGJ20FII9UDIVRX.SMALL.jpg bweaver6 Preface:Hello and welcome to my Instructable.I am a first year Electronic Engineering student and was given the opportunity to build a power supply. I was immediately fascinated but wanted to make more than a run of mill project. My original idea was to use a cigar box and pack as much into a small ...
By: bweaver6

Continue Reading »]]>
Tue, 12 May 2015 17:52:18 PDT
AC to DC - full-wave rectification http://www.instructables.com/id/AC-to-DC-full-wave-rectification/
AC to DC - full-wave rectification - More DIY How To Projects]]> http://cdn.instructables.com/FQT/Y2XL/I8LGNIRB/FQTY2XLI8LGNIRB.SQUARE2.jpg http://cdn.instructables.com/FQT/Y2XL/I8LGNIRB/FQTY2XLI8LGNIRB.SQUARE.jpg http://cdn.instructables.com/FQT/Y2XL/I8LGNIRB/FQTY2XLI8LGNIRB.SMALL.jpg 1300rpm Hello everyone, here is the full-wave version of my AC to DC converter.A few of you might have seen my Instructable a couple of days ago on how to convert AC to DC using half-wave rectification. Well, by adding just three more diodes (a total of four) you can full-wave rectify AC. Take a look. Wha...
By: 1300rpm

Continue Reading »]]>
Sat, 18 Apr 2015 02:28:30 PDT
AC to DC - Half-wave rectification of AC http://www.instructables.com/id/How-to-change-AC-to-DC/
AC to DC - Half-wave rectification of AC - More DIY How To Projects]]> http://cdn.instructables.com/F3E/5B6I/I8CW4ZNZ/F3E5B6II8CW4ZNZ.SQUARE2.jpg http://cdn.instructables.com/F3E/5B6I/I8CW4ZNZ/F3E5B6II8CW4ZNZ.SQUARE.jpg http://cdn.instructables.com/F3E/5B6I/I8CW4ZNZ/F3E5B6II8CW4ZNZ.SMALL.jpg 1300rpm Ever need a constant DC output to test things, but batteries run out too quickly?Or maybe a battery needs charging?Changing AC to DC is as simple as two words - transformer, diode. Let's go. Why? DC outputs can be extremely helpful. If you need to test any DC motor but you dont want to have to go...
By: 1300rpm

Continue Reading »]]>
Tue, 14 Apr 2015 08:30:30 PDT
CNC Spindle Laser Diode Photo Engraving Enhancement App http://www.instructables.com/id/CNC-Spindle-Laser-Diode-Photo-Engraving-Enhancemen/
CNC Spindle Laser Diode Photo Engraving Enhancement App - More DIY How To Projects]]> http://cdn.instructables.com/FHC/ALTZ/I8765QDM/FHCALTZI8765QDM.SQUARE2.jpg http://cdn.instructables.com/FHC/ALTZ/I8765QDM/FHCALTZI8765QDM.SQUARE.jpg http://cdn.instructables.com/FHC/ALTZ/I8765QDM/FHCALTZI8765QDM.SMALL.jpg PicengraverToo Our app was written with 2008 Visual Basic and will load and run on a Windows XP & up PC. It's a text editor that does calculations from depths of cuts/laser power level commands in one gcode file and then adds a variable feedrate (Feed Rate Change) to the end of command lines based on a set percent...
By: PicengraverToo

Continue Reading »]]>
Tue, 7 Apr 2015 14:28:45 PDT
Easy High Voltage DC Crank up Generator. http://www.instructables.com/id/Easy-High-Voltage-DC-Crank-up-Generator/
Easy High Voltage DC Crank up Generator. - More DIY How To Projects]]> http://cdn.instructables.com/FQT/6YSY/I83LGIHA/FQT6YSYI83LGIHA.SQUARE2.jpg http://cdn.instructables.com/FQT/6YSY/I83LGIHA/FQT6YSYI83LGIHA.SQUARE.jpg http://cdn.instructables.com/FQT/6YSY/I83LGIHA/FQT6YSYI83LGIHA.SMALL.jpg joel.lagace.14 Here I will show you how easy it is to make a simple high voltage DC crank up generator without the need for fancy transistor flyback circuits such as the famous Joule Thief. This whole thing should not cost you more then $20. In some cases you may already have the parts on hand.Please be aware that...
By: joel.lagace.14

Continue Reading »]]>
Sun, 5 Apr 2015 09:01:26 PDT
AC to DC Power Using a Full Wave Rectifier http://www.instructables.com/id/AC-to-DC-Power-Using-a-Full-Wave-Rectifier/
AC to DC Power Using a Full Wave Rectifier - More DIY How To Projects]]> http://cdn.instructables.com/FSJ/OGXP/I7RGMO54/FSJOGXPI7RGMO54.SQUARE2.jpg http://cdn.instructables.com/FSJ/OGXP/I7RGMO54/FSJOGXPI7RGMO54.SQUARE.jpg http://cdn.instructables.com/FSJ/OGXP/I7RGMO54/FSJOGXPI7RGMO54.SMALL.jpg Neel.Adhiraj AC is used to transmit power over long distances. The power we get from the electrical outlets in our home is AC power. However since most modern electrical appliances use DC at some level, we need to know how to effectively convert AC power to DC power. We can do this using a circuit known as a ful...
By: Neel.Adhiraj

Continue Reading »]]>
Mon, 30 Mar 2015 00:30:13 PDT
Regulated Power Supply http://www.instructables.com/id/Regulated-Power-Supply-1/
Regulated Power Supply - More DIY How To Projects]]> http://cdn.instructables.com/FEF/0CLB/I77WQ0QW/FEF0CLBI77WQ0QW.SQUARE2.jpg http://cdn.instructables.com/FEF/0CLB/I77WQ0QW/FEF0CLBI77WQ0QW.SQUARE.jpg http://cdn.instructables.com/FEF/0CLB/I77WQ0QW/FEF0CLBI77WQ0QW.SMALL.jpg mad_scientist_nitw We made a small electrical device which is very useful.It is a regulated DC power supply without using tap transformer. We can get different output like 5 volt ,8 volt, 12 volt and 18 volt. It cost us less than $4. or 200 Indian rupees :)
By: mad_scientist_nitw

Continue Reading »]]>
Fri, 13 Mar 2015 23:00:41 PDT
Bring Your burnt LED back to life! http://www.instructables.com/id/Bring-Your-burnt-LED-back-to-life/
Bring Your burnt LED back to life! - More DIY How To Projects]]> http://cdn.instructables.com/FY1/7UQ0/I66LNITZ/FY17UQ0I66LNITZ.SQUARE2.jpg http://cdn.instructables.com/FY1/7UQ0/I66LNITZ/FY17UQ0I66LNITZ.SQUARE.jpg http://cdn.instructables.com/FY1/7UQ0/I66LNITZ/FY17UQ0I66LNITZ.SMALL.jpg kondzio29 When I am on a budget... I am able to ressurect my burnt LEDs to reuse them again ;) Recently my dad used 12V cordless drill battery to kill two of my 3W high power LEDs. Of course he bought me new ones, but without the heatsink... So I took my soldering iron and tried to desolder burnt LED to reuse...
By: kondzio29

Continue Reading »]]>
Sun, 15 Feb 2015 11:43:02 PST
Pocket Mini LED Flashlight http://www.instructables.com/id/The-Mini-LED-Flashlight/
Pocket Mini LED Flashlight - More DIY How To Projects]]> http://cdn.instructables.com/F2J/41VE/I600AZRQ/F2J41VEI600AZRQ.SQUARE2.jpg http://cdn.instructables.com/F2J/41VE/I600AZRQ/F2J41VEI600AZRQ.SQUARE.jpg http://cdn.instructables.com/F2J/41VE/I600AZRQ/F2J41VEI600AZRQ.SMALL.jpg Mr Useful Hi guys, lets make a mini led flashlight. I hope you enjoy this DIY !!! Materials Here The video of the process Dont forget to subscribe in the channel ---- Mr useful channel There are a lot of videos like this : )Hope enjoy this instructable!
By: Mr Useful

Continue Reading »]]>
Thu, 12 Feb 2015 12:04:04 PST
Floating Logo http://www.instructables.com/id/Floating-Logo/
Floating Logo - More DIY How To Projects]]> http://cdn.instructables.com/F60/Y45J/I3U1U3HQ/F60Y45JI3U1U3HQ.SQUARE2.jpg http://cdn.instructables.com/F60/Y45J/I3U1U3HQ/F60Y45JI3U1U3HQ.SQUARE.jpg http://cdn.instructables.com/F60/Y45J/I3U1U3HQ/F60Y45JI3U1U3HQ.SMALL.jpg Rajat Cool This is my first 'ible And i want to devote this to the site...This is about how to make your logo look interesting...I have used leds to make the water glow on which the logo will float...So I am going to start with some basic materials...Lets Begin Materials Required... Here's A list of materia...
By: Rajat Cool

Continue Reading »]]>
Fri, 19 Dec 2014 04:19:00 PST
Use Spark.io Photon to unlock a door over WiFi for less than $30! http://www.instructables.com/id/Use-Sparkio-Photon-to-unlock-a-door-over-WiFi/
Use Spark.io Photon to unlock a door over WiFi for less than $30! - More DIY How To Projects]]> http://cdn.instructables.com/FYV/0288/I3A1NEW7/FYV0288I3A1NEW7.SQUARE2.jpg http://cdn.instructables.com/FYV/0288/I3A1NEW7/FYV0288I3A1NEW7.SQUARE.jpg http://cdn.instructables.com/FYV/0288/I3A1NEW7/FYV0288I3A1NEW7.SMALL.jpg keithbrown This instructable is based on the Spark.io Photon, a "postage stamp-sized hackable WiFi module for interacting with physical things." And thanks to its AWESOME mobile UI "Tinker," you won't have to write a line of code!Its the result of an "Instructables Build Night," with Soha Smart; where I am als...
By: keithbrown

Continue Reading »]]>
Thu, 4 Dec 2014 11:42:39 PST
Matchbox Monsters http://www.instructables.com/id/Matchbox-Monsters/
Matchbox Monsters - More DIY How To Projects]]> http://cdn.instructables.com/FKI/QWJJ/I28OI5IN/FKIQWJJI28OI5IN.SQUARE2.jpg http://cdn.instructables.com/FKI/QWJJ/I28OI5IN/FKIQWJJI28OI5IN.SQUARE.jpg http://cdn.instructables.com/FKI/QWJJ/I28OI5IN/FKIQWJJI28OI5IN.SMALL.jpg xGrape Imagine that inside every matchbox lives a tiny monster, each with its own distinct personality. Imagine an entire world built around these tiny monsters. That was the original premise of Matchbox Monsters, an instructible over 2 months in the making, making it the longest project of mine so far. Mo...
By: xGrape

Continue Reading »]]>
Sat, 8 Nov 2014 13:41:36 PST
Flash an LED with Scratch on the Kano Computer http://www.instructables.com/id/Flash-an-LED-with-Scratch-on-the-Kano-Computer/
Flash an LED with Scratch on the Kano Computer - More DIY How To Projects]]> http://cdn.instructables.com/FJ6/ZU6O/I21R33QK/FJ6ZU6OI21R33QK.SQUARE2.jpg http://cdn.instructables.com/FJ6/ZU6O/I21R33QK/FJ6ZU6OI21R33QK.SQUARE.jpg http://cdn.instructables.com/FJ6/ZU6O/I21R33QK/FJ6ZU6OI21R33QK.SMALL.jpg KRA5H I've lost count of how many computers I've built over the years, but I think it is safe to say that the Kano Computer was the easiest build ever. So simple a child could do it. Kano founders, Yonatan Raz-Fridman, Alex Klein, and Saul Klein, wanted to figure out what the next generation’s computer wo...
By: KRA5H

Continue Reading »]]>
Mon, 3 Nov 2014 12:56:41 PST
tDCS Thinking Cap http://www.instructables.com/id/tDCS-Thinking-Cap/
tDCS Thinking Cap - More DIY How To Projects]]> http://cdn.instructables.com/FK4/A8TK/I1NV6BWZ/FK4A8TKI1NV6BWZ.SQUARE2.jpg http://cdn.instructables.com/FK4/A8TK/I1NV6BWZ/FK4A8TKI1NV6BWZ.SQUARE.jpg http://cdn.instructables.com/FK4/A8TK/I1NV6BWZ/FK4A8TKI1NV6BWZ.SMALL.jpg 24Eng tDCS is an abbreviation for Transcranial Direct Current Stimulation which is a form of neurostimulation which uses constant, low current delivered directly to the brain area of interest via electrodes. It was originally developed to help patients with brain injuries such as strokes but has shown gre...
By: 24Eng

Continue Reading »]]>
Mon, 27 Oct 2014 14:13:05 PDT
Shapeoko 2, Arduino UNO R3, grbl 9g, 8bit Laser Diode Photo Engraving http://www.instructables.com/id/Shapeoko-2-Arduino-UNO-R3-grbl-9g-8bit-Raster-Phot/
Shapeoko 2, Arduino UNO R3, grbl 9g, 8bit Laser Diode Photo Engraving - More DIY How To Projects]]> http://cdn.instructables.com/F0F/L7PT/I1CBZB6F/F0FL7PTI1CBZB6F.SQUARE2.jpg http://cdn.instructables.com/F0F/L7PT/I1CBZB6F/F0FL7PTI1CBZB6F.SQUARE.jpg http://cdn.instructables.com/F0F/L7PT/I1CBZB6F/F0FL7PTI1CBZB6F.SMALL.jpg PicengraverToo Me and my son invented/developed a new concept of "On-The Fly" 8bit Laser Diode engraving photos over two years ago. With this concept, the Laser Diode never turns off through the whole photo engraving process. It just varies the power up and down to produce the image and shading on the engraved mat...
By: PicengraverToo

Continue Reading »]]>
Thu, 16 Oct 2014 15:14:54 PDT
Light up a LED with one AA-battery (in a solar lamp) http://www.instructables.com/id/Light-up-a-LED-with-one-AA-battery-in-a-solar-lamp/
Light up a LED with one AA-battery (in a solar lamp) - More DIY How To Projects]]> http://cdn.instructables.com/FSZ/IH5X/HZGTF7U9/FSZIH5XHZGTF7U9.SQUARE2.jpg http://cdn.instructables.com/FSZ/IH5X/HZGTF7U9/FSZIH5XHZGTF7U9.SQUARE.jpg http://cdn.instructables.com/FSZ/IH5X/HZGTF7U9/FSZIH5XHZGTF7U9.SMALL.jpg Tom_Toffi In my lastest project i want to build a little solar lamp. So i went to my local electronics distributor and want to buy i little solar cell. The solar cell has an output of 2V and the battery an maximum output of 1.2V, which is quite to low to drive any standard white LED. Sure there is an easy way...
By: Tom_Toffi

Continue Reading »]]>
Sat, 30 Aug 2014 16:03:48 PDT
4x4x4 LED Cube (Arduino Uno) http://www.instructables.com/id/4x4x4-LED-Cube-Arduino-Uno/
4x4x4 LED Cube (Arduino Uno) - More DIY How To Projects]]> http://cdn.instructables.com/FHO/5AG7/HYY8M9OR/FHO5AG7HYY8M9OR.SQUARE2.jpg http://cdn.instructables.com/FHO/5AG7/HYY8M9OR/FHO5AG7HYY8M9OR.SQUARE.jpg http://cdn.instructables.com/FHO/5AG7/HYY8M9OR/FHO5AG7HYY8M9OR.SMALL.jpg KyleTheCreator In this tutorial I'll show you how to make a 4x4x4 LED cube for around $15.00. The cube has 64 green LEDs which make up it's 4 layers(positives) and 16 columns(negatives). These are all wired to a Arduino Uno. An Arduino is a single-board microcontroller, intended to make the application of inter...
By: KyleTheCreator

Continue Reading »]]>
Sun, 17 Aug 2014 19:11:10 PDT
DC Versus AC http://www.instructables.com/id/DC-Versus-AC/
DC Versus AC - More DIY How To Projects]]> http://cdn.instructables.com/FVS/DNVQ/HYR3C0UO/FVSDNVQHYR3C0UO.SQUARE2.jpg http://cdn.instructables.com/FVS/DNVQ/HYR3C0UO/FVSDNVQHYR3C0UO.SQUARE.jpg http://cdn.instructables.com/FVS/DNVQ/HYR3C0UO/FVSDNVQHYR3C0UO.SMALL.jpg KRA5H Direct current (DC)In a DC (direct current) circuit where the electricity flows in one direction, we can think of a battery as a storage tank like the water tower in your neighborhood. If nobody turned on their faucet, the water in the tower would just sit there. Forever. Physicists like to think of...
By: KRA5H

Continue Reading »]]>
Tue, 12 Aug 2014 09:51:14 PDT
Arduino Thermistor/Solenoid Box http://www.instructables.com/id/Arduino-ThermistorSolenoid-Box/
Arduino Thermistor/Solenoid Box - More DIY How To Projects]]> http://cdn.instructables.com/FE8/426N/HYE603WL/FE8426NHYE603WL.SQUARE2.jpg http://cdn.instructables.com/FE8/426N/HYE603WL/FE8426NHYE603WL.SQUARE.jpg http://cdn.instructables.com/FE8/426N/HYE603WL/FE8426NHYE603WL.SMALL.jpg jjp16 This project was part of my digital multimedia class. I was tasked with designing an object which would house the Arduino micro-controller while utilizing a sensor of some sort and a switch the user could operate which would allow the object to do something physical. In this case, the object was a l...
By: jjp16

Continue Reading »]]>
Mon, 4 Aug 2014 22:08:30 PDT
Portable USB Smartphone Charger V3 http://www.instructables.com/id/Portable-USB-Smartphone-Charger-V3/
Portable USB Smartphone Charger V3 - More DIY How To Projects]]> http://cdn.instructables.com/FDE/J7NR/HY3Z9D1E/FDEJ7NRHY3Z9D1E.SQUARE2.jpg http://cdn.instructables.com/FDE/J7NR/HY3Z9D1E/FDEJ7NRHY3Z9D1E.SQUARE.jpg http://cdn.instructables.com/FDE/J7NR/HY3Z9D1E/FDEJ7NRHY3Z9D1E.SMALL.jpg KevinsL1 Hi Instructables audience!In this instructable i'm showing you how to make simple usb charger. This is my 3'd version for this kind of charger and this one is upgraded to allow voltage to flow on stable 12v and no backward flow. Basicly this one works on it's full potentional ,without any possible w...
By: KevinsL1

Continue Reading »]]>
Sun, 27 Jul 2014 13:54:47 PDT
AC to DC Conversion http://www.instructables.com/id/AC-to-DC-Conversion/
AC to DC Conversion - More DIY How To Projects]]> http://cdn.instructables.com/FCH/4OHQ/HX504N4Z/FCH4OHQHX504N4Z.SQUARE2.jpg http://cdn.instructables.com/FCH/4OHQ/HX504N4Z/FCH4OHQHX504N4Z.SQUARE.jpg http://cdn.instructables.com/FCH/4OHQ/HX504N4Z/FCH4OHQHX504N4Z.SMALL.jpg brmarcum Every once in a while I come up with an idea for a circuit or device that has applications where a battery may not be the best or most convenient option for a power supply. One example is the Motion Activated AC Switch that I built. Since I was wanting to have the switch open a relay to allow AC cur...
By: brmarcum

Continue Reading »]]>
Tue, 1 Jul 2014 14:24:04 PDT
Yet Another DIY Diode Laser Engraver http://www.instructables.com/id/Yet-Another-DIY-Diode-Laser-Engraver/
Yet Another DIY Diode Laser Engraver - More DIY How To Projects]]> http://cdn.instructables.com/FCB/FYPK/HUK2DPVI/FCBFYPKHUK2DPVI.SQUARE2.jpg http://cdn.instructables.com/FCB/FYPK/HUK2DPVI/FCBFYPKHUK2DPVI.SQUARE.jpg http://cdn.instructables.com/FCB/FYPK/HUK2DPVI/FCBFYPKHUK2DPVI.SMALL.jpg john1a I always loved CNC machines! They are the future since they were first invented! I still believe that CADing and CNCing are miracles. When the first printer arrived to my home (I was about 10) I got really fascinated by the fact that I could print a paper about a hundred times by writing it just o...
By: john1a

Continue Reading »]]>
Wed, 18 Jun 2014 16:29:24 PDT
Repair arduino nano (no power on USB) http://www.instructables.com/id/Repair-arduino-nano-no-power-on-USB/
Repair arduino nano (no power on USB) - More DIY How To Projects]]> http://cdn.instructables.com/F3E/YEWM/HW1LU0S8/F3EYEWMHW1LU0S8.SQUARE2.jpg http://cdn.instructables.com/F3E/YEWM/HW1LU0S8/F3EYEWMHW1LU0S8.SQUARE.jpg http://cdn.instructables.com/F3E/YEWM/HW1LU0S8/F3EYEWMHW1LU0S8.SMALL.jpg planetleak I shorted my arduino nano clone again, so its time to make a tutorial video, how fix this problem.The schottky diode: 0.5A 20V SOD-123 housingThe video:1. Check the arduino. No power on USB, but Vin working.2. Check the schottky diode - yepp its smoked.3. Replace the diode.4. Test the arduino Watc...
By: planetleak

Continue Reading »]]>
Thu, 5 Jun 2014 06:00:16 PDT
Light Spectrometer from a "battery powered" head inspection lamp http://www.instructables.com/id/Light-Spectrometer-from-a-head-inspection-lamp/
Light Spectrometer from a "battery powered" head inspection lamp - More DIY How To Projects]]> http://cdn.instructables.com/F1J/OK8V/HXY66P6D/F1JOK8VHXY66P6D.SQUARE2.jpg http://cdn.instructables.com/F1J/OK8V/HXY66P6D/F1JOK8VHXY66P6D.SQUARE.jpg http://cdn.instructables.com/F1J/OK8V/HXY66P6D/F1JOK8VHXY66P6D.SMALL.jpg HUKBMBEAR Hello if you like this please take the time to vote in the competitionsTHANKSAt the end of my light sensing instructable where I played with the measurement of reducing sun light levels as well as making it into a laser game , I mentioned that I wanted to have a go at making a full spectrometer. Thi...
By: HUKBMBEAR

Continue Reading »]]>
Tue, 27 May 2014 14:28:46 PDT
Things You Can Do With Old Phones http://www.instructables.com/id/Things-You-Can-Do-With-Old-Phones/
Things You Can Do With Old Phones - More DIY How To Projects]]> http://cdn.instructables.com/FHO/5CIL/HUHFQ63M/FHO5CILHUHFQ63M.SQUARE2.jpg http://cdn.instructables.com/FHO/5CIL/HUHFQ63M/FHO5CILHUHFQ63M.SQUARE.jpg http://cdn.instructables.com/FHO/5CIL/HUHFQ63M/FHO5CILHUHFQ63M.SMALL.jpg Josehf Murchison I get a lot of old electronics out of the waist bin, everything from phones to computers and printers. Old and obsolete phones are one of the old electronics I get the most and I use them for a variety of different things, this Instructable is on two things you can use old, broken, and obsolete phon...
By: Josehf Murchison

Continue Reading »]]>
Sun, 27 Apr 2014 12:55:25 PDT
Bottle Radio http://www.instructables.com/id/Bottle-Radio/
Bottle Radio - More DIY How To Projects]]> http://cdn.instructables.com/FHX/IJKC/HUBWTJ1M/FHXIJKCHUBWTJ1M.SQUARE2.jpg http://cdn.instructables.com/FHX/IJKC/HUBWTJ1M/FHXIJKCHUBWTJ1M.SQUARE.jpg http://cdn.instructables.com/FHX/IJKC/HUBWTJ1M/FHXIJKCHUBWTJ1M.SMALL.jpg 10040477 Have you ever wondered about using an object for music instead of an ordinary radio? Now you can with the Bottle Radio! The Bottle Radio uses only the energy of the radio waves sent  by radio transmitters. It has very few parts, and needs no batteries or other power source. For the radio wave catche...
By: 10040477

Continue Reading »]]>
Wed, 23 Apr 2014 08:11:12 PDT
Laser Controller for my Arduino CNC Machine http://www.instructables.com/id/Laser-Controller-for-my-Arduino-CNC-Machine/
Laser Controller for my Arduino CNC Machine - More DIY How To Projects]]> http://cdn.instructables.com/FWZ/SAII/HT2U1356/FWZSAIIHT2U1356.SQUARE2.jpg http://cdn.instructables.com/FWZ/SAII/HT2U1356/FWZSAIIHT2U1356.SQUARE.jpg http://cdn.instructables.com/FWZ/SAII/HT2U1356/FWZSAIIHT2U1356.SMALL.jpg rjkorn ​When using Linux EMC I could easily drive a laser from the direction pin of the Z axis on the parallel port.The pin held it last state so if the last movement commend was down it stayed that way even as the other axis' were moving. All I had to do was wire that to the laser enable lead. When I swi...
By: rjkorn

Continue Reading »]]>
Sun, 30 Mar 2014 10:42:29 PDT
ELECTRICITY BY WALKING http://www.instructables.com/id/PIEZOELECTRICITY-1/
ELECTRICITY BY WALKING - More DIY How To Projects]]> http://cdn.instructables.com/FFH/W6ER/HT1M1K35/FFHW6ERHT1M1K35.SQUARE2.jpg http://cdn.instructables.com/FFH/W6ER/HT1M1K35/FFHW6ERHT1M1K35.SQUARE.jpg http://cdn.instructables.com/FFH/W6ER/HT1M1K35/FFHW6ERHT1M1K35.SMALL.jpg AVISHKAR_ Hy everyone this is my first Instructable. In this Instructable i will show you how to produce electricity by walking :-)using a very simple method . Skills required Basic electronic How to solder How to use multimeter Materials Required Piezo element (i recommend to buy th...
By: AVISHKAR_

Continue Reading »]]>
Fri, 21 Mar 2014 09:03:35 PDT
Arduino Mini Pen Plotter http://www.instructables.com/id/Arduino-Mini-Pen-Plotter/
Arduino Mini Pen Plotter - More DIY How To Projects]]> http://cdn.instructables.com/F1C/4D4C/HSVTBJYQ/F1C4D4CHSVTBJYQ.SQUARE2.jpg http://cdn.instructables.com/F1C/4D4C/HSVTBJYQ/F1C4D4CHSVTBJYQ.SQUARE.jpg http://cdn.instructables.com/F1C/4D4C/HSVTBJYQ/F1C4D4CHSVTBJYQ.SMALL.jpg kokpat I am now explore the possibility of my Lazer cutter.From now, 100mW lazer can be used to cut paper, vinyl adhesive sheets...but I found that the same structure can also be used as pen plotter.Just take off the lazer diode and insert a pen.Remark : In this video, the outcome is not very good because ...
By: kokpat

Continue Reading »]]>
Wed, 19 Mar 2014 00:53:51 PDT
Hands Free Laser Mount http://www.instructables.com/id/Hands-Free-Laser-Mount/
Hands Free Laser Mount - More DIY How To Projects]]> http://cdn.instructables.com/FFR/7KNN/HSRZJYD0/FFR7KNNHSRZJYD0.SQUARE2.jpg http://cdn.instructables.com/FFR/7KNN/HSRZJYD0/FFR7KNNHSRZJYD0.SQUARE.jpg http://cdn.instructables.com/FFR/7KNN/HSRZJYD0/FFR7KNNHSRZJYD0.SMALL.jpg shootermatic This simple laser mount is a really great way to hold a common laser pointer in place and also serves as a hands-free switch with push button devices. Perfect for this tripwire project or any other where you require a mount for a laser or small flash light. I hope my accidental discovery helps you ...
By: shootermatic

Continue Reading »]]>
Sat, 15 Mar 2014 16:48:39 PDT
How electronic components work. The diode http://www.instructables.com/id/How-electronic-components-work-The-diode/
How electronic components work. The diode - More DIY How To Projects]]> http://cdn.instructables.com/FXM/7PED/HSLOJ7YZ/FXM7PEDHSLOJ7YZ.SQUARE2.jpg http://cdn.instructables.com/FXM/7PED/HSLOJ7YZ/FXM7PEDHSLOJ7YZ.SQUARE.jpg http://cdn.instructables.com/FXM/7PED/HSLOJ7YZ/FXM7PEDHSLOJ7YZ.SMALL.jpg pewtu Following some rather poor advice given to one person on Instructables, the advice not coming from anyone on instructables of course, I thought I would give a few tips and help on some parts of electronic. I will try and keep it simple and so those who often say they like electronics but as one pers...
By: pewtu

Continue Reading »]]>
Mon, 10 Mar 2014 10:12:11 PDT
Salvage a Laser Diode From a cd Driver http://www.instructables.com/id/Salvage-a-Laser-Diode-From-a-cd-Driver/
Salvage a Laser Diode From a cd Driver - More DIY How To Projects]]> http://cdn.instructables.com/FKO/D7W7/HQ9RESUL/FKOD7W7HQ9RESUL.SQUARE2.jpg http://cdn.instructables.com/FKO/D7W7/HQ9RESUL/FKOD7W7HQ9RESUL.SQUARE.jpg http://cdn.instructables.com/FKO/D7W7/HQ9RESUL/FKOD7W7HQ9RESUL.SMALL.jpg juul414 If you are new to lasers let me explain what a laser diode is. A laser diode is like an led but the light is more concentrated and a laser diode needs a drive To light up or else you can blow it up. If you hack a driver and salvage the two diodes out of it it will contain a collored laser and a in...
By: juul414

Continue Reading »]]>
Sat, 1 Feb 2014 11:59:53 PST
1w 445nm Altoids Tin Laser http://www.instructables.com/id/1w-445nm-Altoids-Tin-Laser/
1w 445nm Altoids Tin Laser - More DIY How To Projects]]> http://cdn.instructables.com/FX7/8L8H/HQVLBAWE/FX78L8HHQVLBAWE.SQUARE2.jpg http://cdn.instructables.com/FX7/8L8H/HQVLBAWE/FX78L8HHQVLBAWE.SQUARE.jpg http://cdn.instructables.com/FX7/8L8H/HQVLBAWE/FX78L8HHQVLBAWE.SMALL.jpg afernandez31 I this instructable i will show how to make a 1w 445nm laser in an altoids tin can. This laser is capable of burning through almost anything. It can start fires, pop balloons, ignite matches, melt plastic, burn paper, cut electrical tape, engrave wood... Ect.As you can imagine there are endless poss...
By: afernandez31

Continue Reading »]]>
Sun, 26 Jan 2014 16:32:35 PST
Plant safe http://www.instructables.com/id/Plant-safe/
Plant safe - More DIY How To Projects]]> http://cdn.instructables.com/FHP/QL2Z/HPEFX8JP/FHPQL2ZHPEFX8JP.SQUARE2.jpg http://cdn.instructables.com/FHP/QL2Z/HPEFX8JP/FHPQL2ZHPEFX8JP.SQUARE.jpg http://cdn.instructables.com/FHP/QL2Z/HPEFX8JP/FHPQL2ZHPEFX8JP.SMALL.jpg transistor2 what you will needknifegluepotfake plantfoam circleshoe boxlighter lid take the pot and put it upside down on the cardboard then treace a circle around rim. next cut that circle out and trim it so it will easily fit 2 inches into the pot. base repeat what you did with step one except use the b...
By: transistor2

Continue Reading »]]>
Thu, 19 Dec 2013 16:37:56 PST
Compact Mini LED http://www.instructables.com/id/Compact-Mini-LED/
Compact Mini LED - More DIY How To Projects]]> http://cdn.instructables.com/FW9/13OK/HP7RH5YN/FW913OKHP7RH5YN.SQUARE2.jpg http://cdn.instructables.com/FW9/13OK/HP7RH5YN/FW913OKHP7RH5YN.SQUARE.jpg http://cdn.instructables.com/FW9/13OK/HP7RH5YN/FW913OKHP7RH5YN.SMALL.jpg PossibleFire In this Instructable I will be showing you a simple and compact LED that can be powered by a light press and can fit on your thumb. Enjoy :) Find An LED, Along With Batteries Get an LED along with 2 batteries. I got this one from an emergency whistle with a small light attached. When taking it ap...
By: PossibleFire

Continue Reading »]]>
Sat, 14 Dec 2013 21:28:27 PST
Arduino Controlled Party Lights http://www.instructables.com/id/Party-Lights/
Arduino Controlled Party Lights - More DIY How To Projects]]> http://cdn.instructables.com/FY0/MU8C/HOW0IGXV/FY0MU8CHOW0IGXV.SQUARE2.jpg http://cdn.instructables.com/FY0/MU8C/HOW0IGXV/FY0MU8CHOW0IGXV.SQUARE.jpg http://cdn.instructables.com/FY0/MU8C/HOW0IGXV/FY0MU8CHOW0IGXV.SMALL.jpg AlbertJUdom Hello My name is AJ Udom and I am going to give you a step by step guide on how to make a micro-controlled party light. This is the overview picture. This will be a fun, and fairly simple project. Gather Parts First step is to get all of the parts.Parts:- 1 Servo Motor- 6 LED's (various color...
By: AlbertJUdom

Continue Reading »]]>
Mon, 9 Dec 2013 10:29:47 PST
The MicroSlice V1 | A tiny Arduino laser cutter http://www.instructables.com/id/MicroSlice-A-tiny-Arduino-laser-cutter/
The MicroSlice V1 | A tiny Arduino laser cutter - More DIY How To Projects]]> http://cdn.instructables.com/FLT/6YJ4/HMMFC254/FLT6YJ4HMMFC254.SQUARE2.jpg http://cdn.instructables.com/FLT/6YJ4/HMMFC254/FLT6YJ4HMMFC254.SQUARE.jpg http://cdn.instructables.com/FLT/6YJ4/HMMFC254/FLT6YJ4HMMFC254.SMALL.jpg SilverJimny A few years ago I saw an Instructable where Groover had used a pair of DVD-RW drives to make a pocket laser engraver. Inspired by the idea, driven by the recent purchase of a full-sized 50 watt CO2 laser cutter, and roused by the launch of the Microcontroller contest I took the decision to have a cr...
By: SilverJimny

Continue Reading »]]>
Thu, 24 Oct 2013 11:43:45 PDT
A Good Use for an Old Phone Charger http://www.instructables.com/id/A-Good-Use-for-an-Old-Phone-Charger/
A Good Use for an Old Phone Charger - More DIY How To Projects]]> http://cdn.instructables.com/FTK/65S4/HMWVZAGH/FTK65S4HMWVZAGH.SQUARE2.jpg http://cdn.instructables.com/FTK/65S4/HMWVZAGH/FTK65S4HMWVZAGH.SQUARE.jpg http://cdn.instructables.com/FTK/65S4/HMWVZAGH/FTK65S4HMWVZAGH.SMALL.jpg Phil B Indoor/outdoor thermometers are handy, but they consume batteries. This is especially true of the outdoor sender unit, which is usually powered by AAA batteries. I decided to power the outdoor transmitter with an old phone charger, but I will need to drop the voltage about two volts to match the req...
By: Phil B

Continue Reading »]]>
Sat, 19 Oct 2013 10:35:23 PDT
Pocket size 5in1 electronics tester http://www.instructables.com/id/Pocket-size-5in1-electronics-tester/
Pocket size 5in1 electronics tester - More DIY How To Projects]]> http://cdn.instructables.com/FIF/5L66/HLZRABW5/FIF5L66HLZRABW5.SQUARE2.jpg http://cdn.instructables.com/FIF/5L66/HLZRABW5/FIF5L66HLZRABW5.SQUARE.jpg http://cdn.instructables.com/FIF/5L66/HLZRABW5/FIF5L66HLZRABW5.SMALL.jpg tgferreira184 Some time ago, Idecided to make a continuity and polarity tester. I searched instructables but nothing showed up, primarly becouse one needs a battery and the other can't have one. So I thought about it and I found a way to have both in the same device. but, I then thought about it for a little and ...
By: tgferreira184

Continue Reading »]]>
Sat, 28 Sep 2013 07:13:53 PDT
Controlling Arduino RoverBot with TV Remote http://www.instructables.com/id/Controlling-Arduino-RoverBot-with-TV-Remote/
Controlling Arduino RoverBot with TV Remote - More DIY How To Projects]]> http://cdn.instructables.com/FGI/J8EF/HJKC456R/FGIJ8EFHJKC456R.SQUARE2.jpg http://cdn.instructables.com/FGI/J8EF/HJKC456R/FGIJ8EFHJKC456R.SQUARE.jpg http://cdn.instructables.com/FGI/J8EF/HJKC456R/FGIJ8EFHJKC456R.SMALL.jpg Frowney001 I am a poor 15 year old Arduino Hacker, who has little access to parts and materials to build a hi-tech robot.  I'm sure there are many others out there who are in my situation.  This little Instructable will explain and demonstrate how you can get your Arduino controlled by a TV or other Infrared r...
By: Frowney001

Continue Reading »]]>
Fri, 26 Jul 2013 11:29:06 PDT
High Power LED Rechargeable Torch http://www.instructables.com/id/High-Power-LED-Rechargeable-Torch/
High Power LED Rechargeable Torch - More DIY How To Projects]]> http://cdn.instructables.com/F20/QDVY/HJGE1IGL/F20QDVYHJGE1IGL.SQUARE2.jpg http://cdn.instructables.com/F20/QDVY/HJGE1IGL/F20QDVYHJGE1IGL.SQUARE.jpg http://cdn.instructables.com/F20/QDVY/HJGE1IGL/F20QDVYHJGE1IGL.SMALL.jpg HamidStranger007 Hello friends.This Instruct-able is very useful for adventurers.I like LEDs. And I like torches. I have always been looking for a torch that can light up to 3 to 4 hours, and finally i made it. Do not underestimate the effort of desoldering and soldering, though. It took me about a day altogether t...
By: HamidStranger007

Continue Reading »]]>
Wed, 24 Jul 2013 01:22:00 PDT
[DIY] HomeMade Rechargeable Juice Mixer http://www.instructables.com/id/DIY-HomeMade-Rechargeable-Juice-Mixer/
[DIY] HomeMade Rechargeable Juice Mixer - More DIY How To Projects]]> http://cdn.instructables.com/FZ8/1I1Y/HIGFFTH6/FZ81I1YHIGFFTH6.SQUARE2.jpg http://cdn.instructables.com/FZ8/1I1Y/HIGFFTH6/FZ81I1YHIGFFTH6.SQUARE.jpg http://cdn.instructables.com/FZ8/1I1Y/HIGFFTH6/FZ81I1YHIGFFTH6.SMALL.jpg HamidStranger007 Hello guys....this one is my new DIY project..it's a juice mixer....well this one is little funny that it is a half waterproof...charging time is 1 HOUR.And working time is up to 30 mins...well i think its good..and it's cheap too. Things you will need: -coop-ex (empty bottle) -4.7v rechargeabl...
By: HamidStranger007

Continue Reading »]]>
Sat, 29 Jun 2013 04:27:47 PDT
DIY BRIDGE RECTIFIER (BETTER LOOKING) http://www.instructables.com/id/DIY-BRIDGE-RECTIFIER-BETTER-LOOKING/ http://cdn.instructables.com/F80/2B1T/HI3TRHP1/F802B1THI3TRHP1.SQUARE2.jpg http://cdn.instructables.com/F80/2B1T/HI3TRHP1/F802B1THI3TRHP1.SQUARE.jpg http://cdn.instructables.com/F80/2B1T/HI3TRHP1/F802B1THI3TRHP1.SMALL.jpg kris754a this is my first homemade (better looking) component
By: kris754a

Continue Reading »]]>
Wed, 19 Jun 2013 15:45:24 PDT
Easy DC Motor Controller http://www.instructables.com/id/Easy-DC-Motor-Controller/
Easy DC Motor Controller - More DIY How To Projects]]> http://cdn.instructables.com/F6Z/RLG9/HH2VNEHS/F6ZRLG9HH2VNEHS.SQUARE2.jpg http://cdn.instructables.com/F6Z/RLG9/HH2VNEHS/F6ZRLG9HH2VNEHS.SQUARE.jpg http://cdn.instructables.com/F6Z/RLG9/HH2VNEHS/F6ZRLG9HH2VNEHS.SMALL.jpg mgingerich If you're building a robot or other microcontrolled gadget, you will need to drive DC motors forwards and backwards. In this instructable, I'll demonstrate a simple and inexpensive circuit that controls a DC motor from two I/O pins. It requires no integrated circuits, and uses commonly available par...
By: mgingerich

Continue Reading »]]>
Mon, 27 May 2013 19:02:40 PDT
How to make a Burning 1-2W 445nm Blue Laser http://www.instructables.com/id/How-to-make-a-Burning-1-2W-445nm-Blue-Laser/
How to make a Burning 1-2W 445nm Blue Laser - More DIY How To Projects]]> http://cdn.instructables.com/FXA/I9NS/HELX4BNH/FXAI9NSHELX4BNH.SQUARE2.jpg http://cdn.instructables.com/FXA/I9NS/HELX4BNH/FXAI9NSHELX4BNH.SQUARE.jpg http://cdn.instructables.com/FXA/I9NS/HELX4BNH/FXAI9NSHELX4BNH.SMALL.jpg Electo4fun In this Instructable I will show you how to make a burning blue laser. This laser outputs 1-2W. At this power it can blind you instantly! If this is your first laser project you are in the wrong place, please find another Instructable of a lower power laser. Never point or aim this laser at; people,...
By: Electo4fun

Continue Reading »]]>
Sun, 24 Mar 2013 11:55:53 PDT
Harvesting parts from a Laser Printer http://www.instructables.com/id/Harvesting-parts-from-a-Laser-Printer/
Harvesting parts from a Laser Printer - More DIY How To Projects]]> http://cdn.instructables.com/F44/NFXB/HAWBXDRV/F44NFXBHAWBXDRV.SQUARE2.jpg http://cdn.instructables.com/F44/NFXB/HAWBXDRV/F44NFXBHAWBXDRV.SQUARE.jpg http://cdn.instructables.com/F44/NFXB/HAWBXDRV/F44NFXBHAWBXDRV.SMALL.jpg SilverJimny FREE! A lovely word isn't it.  Free is the prefix to so many exciting idioms; Free Speech, Free Money, Free Lunch, and Free Love, are but just a few. However nothing quite sparks the imagination, or sets the heart racing quite like the thought of Free Parts! Sometimes opportunity knocks, and chan...
By: SilverJimny

Continue Reading »]]>
Thu, 17 Jan 2013 03:33:25 PST